Introduction
¡ When one hears the word geyser,the most common thing that comes to mind is
Old Faithful in Yellowstone National Park.A hydrothermal vent is a geyser on the
seafloor. It continuously spurts extremely-hot, mineral-rich water that supports a
large community of organisms. Hydrothermal vent sites supports an array of life,
from tubeworms to crabs.
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